TWI417554B - Power supply device and programmable controller - Google Patents
Power supply device and programmable controller Download PDFInfo
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- TWI417554B TWI417554B TW100139296A TW100139296A TWI417554B TW I417554 B TWI417554 B TW I417554B TW 100139296 A TW100139296 A TW 100139296A TW 100139296 A TW100139296 A TW 100139296A TW I417554 B TWI417554 B TW I417554B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/145—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
- H02M7/155—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/133—Arrangements for measuring electric power or power factor by using digital technique
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M7/219—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a bridge configuration
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Automation & Control Theory (AREA)
- Inverter Devices (AREA)
- Dc-Dc Converters (AREA)
Description
本發明係關於一種具有AC/DC轉換器的電源裝置及具有AC/DC轉換器的控制器。The present invention relates to a power supply unit having an AC/DC converter and a controller having an AC/DC converter.
一般而言，在進行產業用機器之控制的可程式邏輯控制器(PLC)中，係載設有將商用交流電源進行AC/DC轉換以產生直流內部電源的電源單元(電源裝置)。在這樣的電源單元中，為了省電操作之監視、異常之發現等所需之解析，而載設有進行電力監視之功能者。在例如專利文獻1已揭示有關於測量輸入電壓、輸入電流、輸出電壓、輸出電流、電源單元內溫度等並予以輸出之電源單元技術。In general, a programmable logic controller (PLC) that controls an industrial machine is provided with a power supply unit (power supply unit) that performs AC/DC conversion of a commercial AC power supply to generate a DC internal power supply. In such a power supply unit, a function for performing power monitoring is provided for analysis required for power-saving operation monitoring, abnormality discovery, and the like. For example, Patent Document 1 discloses a power supply unit technique for measuring an input voltage, an input current, an output voltage, an output current, a temperature in a power supply unit, and the like, and outputting the same.
然而，當欲直接測量輸入電力時，產生了需要載裝計測儀器用變壓器(VT)及/或變流器(CT)等大型且昂貴的組件，而導致產品流通上的不利。However, when the input power is to be directly measured, large and expensive components such as a transformer (VT) and/or a current transformer (CT) for carrying the measuring instrument are generated, which causes disadvantages in product circulation.
對此問題，在專利文獻2所揭示之技術中，已揭露測量輸出電壓及輸出電流，並使用測量所得之輸出電壓及輸出電流與預先測得之AC/DC轉換的轉換效率(以下，亦有單以效率稱之的情形)而計算出輸入電力的技術。根據該技術，因從輸出電力與效率間接的求得輸入電力，故而無須前述之組件。In this technique, in the technique disclosed in Patent Document 2, the measured output voltage and the output current have been disclosed, and the measured output voltage and output current are used together with the conversion efficiency of the previously measured AC/DC conversion (hereinafter, there are also A technique for calculating input power by simply calling it in efficiency. According to this technique, since the input power is indirectly obtained from the output power and the efficiency, the aforementioned components are not required.
專利文獻1：日本特開2006-294007號公報。Patent Document 1: Japanese Laid-Open Patent Publication No. 2006-294007.
專利文獻2：日本特開2006-184063號公報。Patent Document 2: Japanese Laid-Open Patent Publication No. 2006-184063.
然而，因效率係因應溫度而大幅變化，故在前述專利文獻2中，有無法精確地求得輸入電力之問題。However, since the efficiency largely changes depending on the temperature, in Patent Document 2, there is a problem that the input power cannot be accurately obtained.
本發明係有鑑於前述之問題點所開發者，其目的係為獲致得以儘可能精確地測量輸入電力之電源裝置及可程式控制器。The present invention has been made in view of the foregoing problems, and aims to obtain a power supply device and a programmable controller that can measure input power as accurately as possible.
為了解決前述問題及達成目的，本發明之特徵具備有：AC/DC轉換器，用以輸入交流的商用電源，以產生直流電源並進行輸出；輸出電壓測量部，用以測量前述AC/DC轉換器所輸出之直流電源的輸出電壓；輸出電流測量部，用以測量前述AC/DC轉換器所輸出之直流電源的輸出電流；溫度測量部，用以測量環境溫度；記憶裝置，用以預先記憶記錄有前述AC/DC轉換器的轉換效率η與前述環境溫度的相互對應關係的轉換效率資料；以及運算部，用以根據由前述溫度測量部所測得的環境溫度之測量值與前述轉換效率資料而求得轉換功率η，且使用前述求得的轉換效率η、由前述輸出電壓測量部所測得的輸出電壓之測量值、及由前述輸出電流測量部所測得的輸出電流之測量值來計算出對前述AC/DC轉換器所輸入的商用電源之輸入電力，並輸出前述計算出的輸入電力。In order to solve the foregoing problems and achieve the object, the present invention is characterized by: an AC/DC converter for inputting an AC commercial power source to generate a DC power source and outputting; and an output voltage measuring portion for measuring the aforementioned AC/DC conversion The output voltage of the DC power source output by the device; the output current measuring unit for measuring the output current of the DC power source outputted by the AC/DC converter; the temperature measuring unit for measuring the ambient temperature; and the memory device for pre-memorizing Recording conversion efficiency data of the mutual conversion relationship between the conversion efficiency η of the AC/DC converter and the ambient temperature; and an operation unit for measuring the ambient temperature measured by the temperature measuring unit and the conversion efficiency The conversion power η is obtained from the data, and the conversion efficiency η obtained as described above, the measured value of the output voltage measured by the output voltage measuring unit, and the measured value of the output current measured by the output current measuring unit are used. The input power to the commercial power source input to the aforementioned AC/DC converter is calculated, and the aforementioned calculated input power is output.
本發明之電源裝置，因係預先記憶記錄有AC/DC轉換器的轉換效率η與環境溫度的相互對應關係的轉換效率資料，且測量環境溫度，根據測量之環境溫度與轉換效率資料而求得轉換效率η，並使用求得的轉換效率η來計算輸入電力，故可達成儘可能精確地測量輸入電力之效果。In the power supply device of the present invention, the conversion efficiency data in which the conversion efficiency η of the AC/DC converter and the ambient temperature are recorded in advance is memorized, and the ambient temperature is measured, and the ambient temperature and the conversion efficiency data are obtained according to the measured ambient temperature and conversion efficiency data. By converting the efficiency η and calculating the input power using the obtained conversion efficiency η, the effect of measuring the input power as accurately as possible can be achieved.
以下根據圖面詳細說明本發明之電源裝置及控制器之實施形態。另外，本發明不以下述諸實施形態為限。Hereinafter, embodiments of the power supply device and the controller of the present invention will be described in detail based on the drawings. Further, the present invention is not limited to the following embodiments.
第1圖係為顯示本發明第一實施形態PLC之構成例之圖。如圖所示，PLC 1係具備：統合地控制用以控制產業用機器之PLC 1的動作之CPU單元20、用以對PLC 1賦予網路連接功能且屬於副單元的網路單元30、用以在CPU單元20與副單元之間進行資料傳送的PLC匯流排40、及從交流商用電源產生用以驅動各個構成要素(CPU單元20、網路單元30、PLC匯流排40)之直流內部電源的電源單元10。另外，實際上，PLC匯流排40係內建於與前述三個單元不相同且稱為基底單元之其他單元，並於該基底單元藉由裝設電源單元10、CPU單元20及網路單元30而構成PLC 1。另外，基底單元，係除了網路單元30以外，亦裝設具有種種功能之副單元，且配合目的而選擇裝設所期望之單元(對此不另詳細說明)。Fig. 1 is a view showing a configuration example of a PLC according to a first embodiment of the present invention. As shown in the figure, the PLC 1 includes a CPU unit 20 that integrally controls the operation of the PLC 1 for controlling the industrial equipment, and a network unit 30 that is provided with a network connection function to the PLC 1 and belongs to the sub unit. A PLC bus 40 for data transfer between the CPU unit 20 and the sub unit, and a DC internal power source for driving the respective constituent elements (the CPU unit 20, the network unit 30, and the PLC bus 40) from the AC commercial power source. Power unit 10. In addition, in fact, the PLC bus bar 40 is built in other units different from the foregoing three units and is called a base unit, and the power unit 10, the CPU unit 20, and the network unit 30 are installed in the base unit. And constitutes PLC 1. In addition, the base unit is provided with a sub-unit having various functions in addition to the network unit 30, and the desired unit is selected for the purpose of assembly (this will not be described in detail).
在本發明之第一實施形態中，電源單元10係輸出：來自商用電源的輸入電流、輸入電壓及輸入有效電力(輸入電力)；作為內部電源之輸出電壓及輸出電流；電源單元10內之平均溫度(裝置內溫度)；PLC 1之周圍溫度(裝置周圍溫度)；轉換效率η；功率因數Φ (以下，將以上列舉的輸出資訊統稱為「輸入電流等」)。PLC 1，係經由網路單元30連接於作為外部機器之其他PLC 2，並在CPU單元20連接有具備顯示裝置記憶體內容等功能且作為外部機器的程式化顯示器3。電源單元10輸出的輸入電流等，一旦傳送至CPU單元20後，可從程式化顯示器3進行監視。此外，傳送至CPU單元20之輸入電流等係可經由PLC匯流排40及網路單元30而從其他的PLC 2進行監視。In the first embodiment of the present invention, the power supply unit 10 outputs an input current, an input voltage, and an input effective power (input power) from a commercial power source; an output voltage and an output current as an internal power source; and an average in the power supply unit 10 Temperature (in-device temperature); ambient temperature of PLC 1 (temperature around the device); conversion efficiency η; power factor Φ (hereinafter, the output information listed above is collectively referred to as "input current, etc."). The PLC 1 is connected to another PLC 2 as an external device via the network unit 30, and the CPU unit 20 is connected to a stylized display 3 as an external device having functions such as display device memory contents. The input current or the like outputted from the power supply unit 10 can be monitored from the stylized display 3 once transmitted to the CPU unit 20. Further, the input current or the like transmitted to the CPU unit 20 can be monitored from the other PLCs 2 via the PLC bus 40 and the network unit 30.
電源單元10，為了不必使用VT及/或CT等大型且昂貴組件來求得輸入電流，並非直接測量輸入電流，而是測量輸出電流及輸出電源，並由測量所得之前述諸值與效率η及功率因數Φ ，使用下述之關係式求得輸入電力及輸入電流。The power supply unit 10 does not need to use a large and expensive component such as VT and/or CT to obtain an input current. Instead of directly measuring the input current, the output current and the output power are measured, and the measured values and efficiencies η are obtained. The power factor Φ is obtained by using the following relationship to obtain input power and input current.
輸入電力=輸出電壓×輸出電流/效率η (1)Input power = output voltage × output current / efficiency η (1)
輸入電流=輸入電力/(輸入電壓×功率因數Φ )(2)Input current = input power / (input voltage × power factor Φ ) (2)
在此，電源單元10的效率η及功率因數Φ ，係因應環境溫度而變化。第2圖係為說明效率η的溫度依存性之一例圖；第3圖係為說明功率因數Φ 的溫度依存性之一例圖。第2圖及第3圖之橫軸係表示電流i。如該等圖所示，效率η係具有隨溫度增高而變大之特性，功率因數Φ 係具有隨溫度降低而變大之特性。在本發明之第一實施形態中，為了儘可能精確地求得輸入電力及輸入電流，而記憶有記述了效率η與環境溫度(及電流)之對應關係的資料(轉換效率資料111)、及記述功率因數Φ 與環境溫度(及電流)之對應關係的資料(功率因數資料112)，電源單元10係根據該等資料而求得適用於前述計算式(1)及(2)之效率η及功率因數Φ 。另外，在記述有轉換效率資料111及功率因數資料112之對應關係中，環境溫度係採用裝置周圍溫度，電流係採用輸出電流。Here, the efficiency η and the power factor Φ of the power supply unit 10 vary depending on the ambient temperature. Fig. 2 is a view showing an example of the temperature dependence of the efficiency η; and Fig. 3 is a view showing an example of the temperature dependence of the power factor Φ . The horizontal axis of Figures 2 and 3 represents current i. As shown in the figures, the efficiency η has a characteristic that becomes larger as the temperature increases, and the power factor Φ has a characteristic that becomes larger as the temperature decreases. In the first embodiment of the present invention, in order to obtain the input power and the input current as accurately as possible, the data (conversion efficiency data 111) in which the relationship between the efficiency η and the ambient temperature (and current) is described is stored, and Describe the data (power factor data 112) of the correspondence between the power factor Φ and the ambient temperature (and current), and the power supply unit 10 obtains the efficiency η applicable to the above calculation formulas (1) and (2) based on the data. Power factor Φ . Further, in the correspondence relationship between the conversion efficiency data 111 and the power factor data 112, the ambient temperature is the ambient temperature of the device, and the current is the output current.
回到第1圖，電源單元10係具備：AC/DC轉換器11、輸出電壓測量部12、負載電流測量部13、溫度感測器14、輸入電壓偵測訊號產生部15、記憶裝置16、運算部17、通信介面(I/F)18、及顯示部19。Returning to Fig. 1, the power supply unit 10 includes an AC/DC converter 11, an output voltage measuring unit 12, a load current measuring unit 13, a temperature sensor 14, an input voltage detecting signal generating unit 15, a memory device 16, The calculation unit 17, the communication interface (I/F) 18, and the display unit 19.
AC/DC轉換器11係將輸入之商用電源轉換成內部電源。另外，在本圖中，為了容易理解，而將商用電源之輸入分開描繪成輸入電流與輸入電壓，內部電源之輸出分開描繪成輸出電流與輸出電壓。內部電源係供給於CPU單元20、PLC匯流排40、及網路單元30。The AC/DC converter 11 converts the input commercial power source into an internal power source. In addition, in the figure, for easy understanding, the input of the commercial power source is separately depicted as the input current and the input voltage, and the output of the internal power source is separately depicted as the output current and the output voltage. The internal power supply is supplied to the CPU unit 20, the PLC bus 40, and the network unit 30.
輸出電壓測量部12係測量來自AC/DC轉換器11之輸出電壓，再將測量所得之輸出電壓之類比測量值傳送至運算部17。負載電流測量部13係測量來自AC/DC轉換器11之輸出電流，即是，測量屬於CPU單元20等所消耗電流之合計的負載電流，再將測量所得之負載電流之類比值傳送至運算部17。負載電流測量部13係可以簡易方法測量電流，例如將小負載電阻介插於輸出電流之配線上，並測量作用於該負載電阻兩端之電壓等。The output voltage measuring unit 12 measures the output voltage from the AC/DC converter 11, and transmits the analog measurement value of the measured output voltage to the arithmetic unit 17. The load current measuring unit 13 measures the output current from the AC/DC converter 11, that is, measures the total load current of the currents consumed by the CPU unit 20 and the like, and transmits the analog value of the measured load current to the arithmetic unit. 17. The load current measuring unit 13 can measure the current in a simple manner, for example, inserting a small load resistor into the wiring of the output current, and measuring the voltage applied to both ends of the load resistor.
溫度感測器14係由例如熱電偶或熱敏電阻(thermist)所構成。一般而言，電源裝置(包含開關調節器)之損失，大致係由開關元件所造成，但其他裝置內組件(FET、二極體、分流電阻、虛擬電阻、LC濾波器、緩衝電路、變壓器、橋式整流器二極體等)亦存在有多數損失主因，而且每一個組件均有其溫度依存性。換言之，電源裝置內之溫度係隨測量位置而有很大偏差。因此，為了求得電源裝置之效率η(=100-裝置整體之總損失%)，並非測量開關元件之類的局部性溫度，而是必須以良好精確度求得電源裝置整體溫度。在此，溫度感測器14係配置於電源單元10內之複數個點，再求得每個點之溫度偵測值之平均。然後，以該平均溫度代表電源單元10之裝置內溫度。The temperature sensor 14 is composed of, for example, a thermocouple or a thermistor. In general, the loss of a power supply device (including a switching regulator) is roughly caused by a switching element, but other components within the device (FET, diode, shunt resistor, virtual resistor, LC filter, buffer circuit, transformer, Bridge rectifier diodes, etc.) also have a major cause of loss, and each component has its temperature dependence. In other words, the temperature within the power supply unit varies greatly depending on the measurement position. Therefore, in order to obtain the efficiency η of the power supply device (=100 - the total loss of the entire device), it is not necessary to measure the local temperature such as the switching element, but the overall temperature of the power supply device must be obtained with good accuracy. Here, the temperature sensor 14 is disposed at a plurality of points in the power supply unit 10, and then averages the temperature detection values of each point. Then, the average temperature represents the temperature inside the apparatus of the power supply unit 10.
第4-1圖及第4-2圖皆為說明溫度感測器14之配置例之圖。第4-1圖係為由上面觀察電源單元10內之基板組件面之圖，第4-2圖係為電源單元10之內部斜視圖。PLC 1係以基板組件面與控制盤成平行之方式設置，結果，如第4-2圖所示，基板組件面之垂直線成為對於地面呈平行。在第4-2圖之上面、下面、及左面，設置有用以排熱之通風孔(未圖示)，主要藉由對流從下面向上面通過的空氣來冷卻基板上之各個組件。因此，越接近上面，則溫度越高。為了以良好精確度測量裝置內溫度，於第4-2圖上下方向等間隔地設置有三個溫度感測器14。此外，如第4-1圖所示，於第4-2圖前後方向亦分別等間隔地設置有三個溫渡感測器14，在基板組件面設置有合計9個溫度感測器14。裝置內溫度，係藉由這些9個溫度感測器14之偵測值平均求得。FIGS. 4-1 and 4-2 are diagrams for explaining a configuration example of the temperature sensor 14. Fig. 4-1 is a view showing the surface of the substrate assembly in the power supply unit 10 from the above, and Fig. 4-2 is an internal oblique view of the power supply unit 10. The PLC 1 is arranged such that the surface of the substrate assembly is parallel to the control panel. As a result, as shown in Fig. 4-2, the vertical line of the surface of the substrate assembly is parallel to the ground. On the top, bottom, and left sides of Fig. 4-2, vent holes (not shown) for exhausting heat are provided, and the components on the substrate are mainly cooled by convection of air passing from the bottom to the top. Therefore, the closer to the above, the higher the temperature. In order to measure the temperature inside the apparatus with good accuracy, three temperature sensors 14 are provided at equal intervals in the up and down direction of Fig. 4-2. Further, as shown in Fig. 4-1, three temperature-sensing sensors 14 are provided at equal intervals in the front-rear direction of Fig. 4-2, and a total of nine temperature sensors 14 are provided on the substrate assembly surface. The temperature inside the device is obtained by averaging the detected values of the nine temperature sensors 14.
另外，制定轉換效率資料111及功率因數資料112時，與其對每個裝置內溫度測量效率η及功率因數Φ ，不如測量各個裝置周圍溫度來的簡單。因此，轉換效率資料111及功率因數資料112，係如前述地，分別採用裝置周圍溫度作為環境溫度，而用以求得效率η、功率因數Φ 之裝置周圍溫度係採用由裝置內溫度推斷而得者。關於用以計算裝置周圍溫度之構成，依後述即可明瞭。In addition, when the conversion efficiency data 111 and the power factor data 112 are formulated, the temperature measurement efficiency η and the power factor Φ in each device are not as simple as measuring the temperature around each device. Therefore, the conversion efficiency data 111 and the power factor data 112 are respectively used as the ambient temperature, and the ambient temperature of the device for determining the efficiency η and the power factor Φ is estimated by the temperature in the device. By. The configuration for calculating the temperature around the device will be described later.
輸入電壓偵測訊號產生部15，係產生用於計算輸入電壓之輸入電壓偵測訊號。第5圖係為說明輸入電壓偵測訊號產生部15之更詳細構成之圖。如圖所示，輸入電壓偵測訊號產生部15係具備AC輸入偵測電路121與由光耦合器所構成之訊號絕緣電路122。AC輸入偵測電路121係偵測出輸入電壓，再將偵測所得之交流輸入電壓波藉由二極體電橋等予以整流成全波整流波，復調整該全波整流波大小並輸入於訊號絕緣電路122。訊號絕緣電路122係從所輸入之全波整流波產生脈波訊號，並將所產生之脈波訊號輸出作為輸入電壓偵測訊號。藉此，輸入電壓偵測訊號產生部15，會將根據由AC輸入偵測電路121所得之調整比率、與訊號絕緣電路122輸出上升脈波波形之臨限值而決定之電壓值V設為臨限值，在輸入電壓之波形之振幅超過臨限值V時，輸出成為導通(ON)之脈波訊號。The input voltage detecting signal generating unit 15 generates an input voltage detecting signal for calculating an input voltage. Fig. 5 is a view showing a more detailed configuration of the input voltage detecting signal generating portion 15. As shown in the figure, the input voltage detecting signal generating unit 15 includes an AC input detecting circuit 121 and a signal insulating circuit 122 composed of an optical coupler. The AC input detecting circuit 121 detects the input voltage, and then rectifies the detected AC input voltage wave into a full-wave rectified wave by a diode bridge, etc., and adjusts the full-wave rectified wave size and inputs the signal. Insulation circuit 122. The signal insulation circuit 122 generates a pulse wave signal from the input full-wave rectified wave, and outputs the generated pulse wave signal as an input voltage detection signal. Thereby, the input voltage detection signal generating unit 15 sets the voltage value V determined according to the adjustment ratio obtained by the AC input detecting circuit 121 and the threshold value of the rising pulse waveform outputted by the signal insulating circuit 122. The limit value is such that when the amplitude of the waveform of the input voltage exceeds the threshold value V, the output becomes a pulse signal that is turned ON.
第6圖係為說明輸入電壓波、全波整流波、及輸入電壓偵測訊號之波形之圖。如圖所示，將輸入電壓波振幅設為Va、頻率設為F、輸入電壓波從零上升至V為止的時間設為T、輸入電壓偵測訊號之截止(OFF)時間設為Toff、輸入電壓偵測訊號之週期設為Fb時，則成立下述之關係。另外，如前述，V係為藉由訊號絕緣電路122使輸入電壓偵測訊號之脈波上升所需之臨限值電壓。Figure 6 is a diagram illustrating the waveforms of the input voltage wave, the full-wave rectified wave, and the input voltage detection signal. As shown in the figure, the time when the input voltage wave amplitude is Va, the frequency is F, the input voltage wave rises from zero to V is T, and the OFF voltage of the input voltage detection signal is set to Toff, input. When the period of the voltage detection signal is Fb, the following relationship is established. In addition, as described above, V is a threshold voltage required to increase the pulse wave of the input voltage detection signal by the signal insulation circuit 122.
Toff=2T (3)Toff=2T (3)
F=2Fb (4)F=2Fb (4)
V=Va×Sin(2πFT) (5)V=Va×Sin(2πFT) (5)
因此，輸入電壓波之振幅Va，係可藉由下式簡單求得：Therefore, the amplitude Va of the input voltage wave can be simply obtained by the following formula:
Va=V/Sin(2π×Fb×Toff) (6)Va=V/Sin(2π×Fb×Toff) (6)
回至第1圖，裝置記憶體16係由例如ROM(Read Only Memory，唯讀記憶體)所構成，其中預先儲存有轉換效率資料111、功率因數資料112、溫度相關資料113、及輸入電壓計算用資料114。Returning to Fig. 1, the device memory 16 is composed of, for example, a ROM (Read Only Memory) in which conversion efficiency data 111, power factor data 112, temperature-related data 113, and input voltage calculation are stored in advance. Use data 114.
轉換效率資料111係為記述有效率η、輸出電流、與裝置周圍溫度之關係的表格構成之資料，藉由指定並參照輸出電流值與裝置周圍溫度即可讀出效率η。功率因數資料112係為記述有功率因數Φ 、輸出電流、與裝置周圍溫度之關係的表格構成之資料，藉由指定並參照輸出電流與裝置周圍溫度即可讀出功率因數Φ 。The conversion efficiency data 111 is a table configuration data describing the relationship between the efficiency η, the output current, and the temperature around the device, and the efficiency η can be read by specifying and referring to the output current value and the temperature around the device. The power factor data 112 is a table data describing the relationship between the power factor Φ , the output current, and the temperature around the device. The power factor Φ can be read by specifying and referring to the output current and the temperature around the device.
溫度相關資料113係為記述有裝置內溫度、與裝置周圍溫度之相互對應關係的表格構成之資料。The temperature-related data 113 is a table-constituting data describing the relationship between the temperature inside the device and the temperature around the device.
輸入電壓計算用資料114係為用以從輸入電壓偵測訊號求得輸入電壓之表格。輸入電壓之振幅Va係在V、Fb、Toff之間具有式(6)之關係。此外，輸入電壓之有效值係藉由振幅Va除以2的平方根所求得。輸入電壓計算用資料114，亦可不經式(6)運算之方式，而具備記述有V、Fb、Toff及輸入電壓(有效值)間之關係的表格形式之資料構造，例如第7圖所示者。以下，輸入電壓、輸入電流即使無事先聲明亦可分別意指有效值者。The input voltage calculation data 114 is a table for determining an input voltage from an input voltage detection signal. The amplitude Va of the input voltage has a relationship of equation (6) between V, Fb, and Toff. Further, the effective value of the input voltage is obtained by dividing the amplitude Va by the square root of 2. The input voltage calculation data 114 may have a table format data structure in which the relationship between V, Fb, Toff and the input voltage (effective value) is described without the equation (6), for example, as shown in FIG. By. Hereinafter, the input voltage and the input current may mean the effective value unless otherwise stated.
運算部117係根據輸出電壓測量部12偵測所得之輸出電壓值、負載電流測量部13測量所得之輸出電流值、對應複數個溫度感測器14分別偵測所得之溫度之測量值(溫度偵測值)、輸入電壓偵測訊號產生部15所產生之輸入電壓訊號、及儲存在記憶裝置16之資料，來計算輸入電流等。The calculation unit 117 is based on the output voltage value detected by the output voltage measuring unit 12, the output current value measured by the load current measuring unit 13, and the measured value of the temperature detected by the plurality of temperature sensors 14 (temperature detection). The measured value, the input voltage signal generated by the input voltage detecting signal generating unit 15, and the data stored in the memory device 16 are used to calculate the input current and the like.
運算部17係藉由例如微電腦所構成。具體而言，運算部17係具備有：CPU(Central Processing Unit中央處理單元)101、ROM 102、RAM(Random Access Memory，隨機存取記憶體)103、AD(類比數位)轉換電路104、及I/O埠105。The calculation unit 17 is constituted by, for example, a microcomputer. Specifically, the computing unit 17 includes a CPU (Central Processing Unit) 101, a ROM 102, a RAM (Random Access Memory) 103, an AD (Analog Digital) conversion circuit 104, and I. /O埠105.
ROM 102係儲存有屬於用以計算輸入電力等之電腦程式之電力監視程式106。AD轉換電路104係將以類比值方式輸入之輸出電壓值、輸出電流值、複數個溫度偵測值、及輸入電壓偵測訊號轉換成數位值。I/O埠105係為用以向記憶裝置16進行存取的介面。CPU 101係藉由從ROM 102讀出並執行電力監視程式106而實現後述之各種功能部。CPU 101係為了計算輸入電力等，而從AD轉換電路104取得各種測量值，再經由I/O埠105從記憶裝置16讀出各種資料。RAM 103係用來當作供CPU 101計算出輸入電力等所需之工作區。The ROM 102 stores a power monitoring program 106 belonging to a computer program for calculating input power and the like. The AD conversion circuit 104 converts the output voltage value, the output current value, the plurality of temperature detection values, and the input voltage detection signal input in analog value into a digital value. The I/O port 105 is an interface for accessing the memory device 16. The CPU 101 realizes various functional units to be described later by reading out and executing the power monitoring program 106 from the ROM 102. The CPU 101 acquires various measurement values from the AD conversion circuit 104 in order to calculate input power or the like, and reads various materials from the memory device 16 via the I/O port 105. The RAM 103 is used as a work area required for the CPU 101 to calculate input power and the like.
通信I/F 18係為用以將運算部17計算出之輸入電流等傳送至CPU單元20之連接介面。The communication I/F 18 is a connection interface for transmitting an input current or the like calculated by the calculation unit 17 to the CPU unit 20.
顯示部19係為用以輸出並顯示運算部17所計算出之輸入電流等之顯示裝置，藉由例如小型液晶顯示器或七段顯示器所構成。The display unit 19 is a display device for outputting and displaying an input current or the like calculated by the calculation unit 17, and is constituted by, for example, a small liquid crystal display or a seven-segment display.
第8圖係說明藉由CPU 101執行電力監視程式106而實現之功能部之圖。如圖所示，運算部17係具備：溫度計算部131，根據由複數個溫度感測器14所測得之溫度偵測值及溫度相關資料113而計算出裝置內溫度及裝置周圍溫度；效率-功率因數計算部132，根據所計算出之裝置周圍溫度、輸出電流值、轉換效率資料111及功率因數資料112而計算出效率η及功率因數Φ ；輸入電壓計算部133，根據輸入電壓偵測訊號與輸入電壓計算用資料114而計算出輸入電壓；輸入電力計算部134，根據輸出電流值、輸出電壓值及計算所得之效率η而計算出輸入電力；及輸入電流計算部135，根據計算出之輸入電力、功率因數ψ及輸入電壓而參照輸入電流。Fig. 8 is a view showing a functional portion realized by the CPU 101 executing the power monitoring program 106. As shown in the figure, the calculation unit 17 includes a temperature calculation unit 131 that calculates the temperature inside the device and the temperature around the device based on the temperature detection value and the temperature-related data 113 measured by the plurality of temperature sensors 14; The power factor calculation unit 132 calculates the efficiency η and the power factor Φ based on the calculated device ambient temperature, the output current value, the conversion efficiency data 111, and the power factor data 112. The input voltage calculation unit 133 detects the input voltage based on the input voltage. The input voltage is calculated by the signal and the input voltage calculation data 114; the input power calculation unit 134 calculates the input power based on the output current value, the output voltage value, and the calculated efficiency η; and the input current calculation unit 135 calculates Refer to the input current for input power, power factor ψ, and input voltage.
第9圖係為說明本發明第一實施形態之電源單元10計算輸入電流等之動作之圖。如圖所示，溫度計算部131係取得電源單元10內的溫度偵測值(步驟S1)，再採用所取得之溫度偵測值之平均而計算出裝置內溫度(步驟S2)。然後，溫度計算部131使用溫度相關資料113而將裝置內溫度轉換成裝置周圍溫度(步驟S3)。裝置內溫度、裝置周圍溫度，係暫時儲存至RAM 103內的工作區。另外，不僅裝置內溫度、裝置周圍溫度，在後述之步驟所計算出之輸入電流等，亦全部暫時儲存至該工作區，且於運算時等適宜地予以讀出。Fig. 9 is a view for explaining an operation of calculating the input current and the like by the power supply unit 10 according to the first embodiment of the present invention. As shown in the figure, the temperature calculation unit 131 acquires the temperature detection value in the power supply unit 10 (step S1), and calculates the internal temperature of the device using the average of the obtained temperature detection values (step S2). Then, the temperature calculation unit 131 converts the temperature inside the device into the temperature around the device using the temperature-related data 113 (step S3). The temperature inside the device and the temperature around the device are temporarily stored in the work area in the RAM 103. In addition, not only the temperature inside the device, the temperature around the device, but also the input current calculated in the later-described steps are temporarily stored in the work area, and are appropriately read at the time of calculation or the like.
另一方面，效率-功率因數計算部132係取得輸出電壓值、輸出電流值(步驟S4)。然後，效率-功率因數計算部132根據計算出之裝置周圍溫度與輸出電流值而求得效率η及功率因數Φ (步驟S5)。具體而言，效率-功率因數計算部132係參照轉換效率資料111，而求得與計算出之裝置周圍溫度及所取得之輸出電流值對應之效率η，再參照功率因數資料112，求得與裝置周圍溫度及輸出電流值對應之功率因數Φ 。On the other hand, the efficiency-power factor calculation unit 132 acquires an output voltage value and an output current value (step S4). Then, the efficiency-power factor calculation unit 132 obtains the efficiency η and the power factor Φ based on the calculated device ambient temperature and the output current value (step S5). Specifically, the efficiency-power factor calculation unit 132 refers to the conversion efficiency data 111, and obtains the efficiency η corresponding to the calculated device ambient temperature and the obtained output current value, and refers to the power factor data 112 to obtain the The power factor Φ corresponding to the temperature around the device and the output current value.
輸入電壓計算部133係取得輸入電壓偵測訊號(步驟S6)。另外，所取得之輸入電壓偵測訊號係依時間序列積存記憶於RAM 103。輸入電壓計算部133會根據所取得之輸入電壓訊號與輸入電壓計算用資料114而求得輸入電壓(步驟S7)。具體而言，輸入電壓計算部133係從積存記憶於RAM 103之輸入電壓訊號，求得脈波波形週期Fb及截止(OFF)時間Toff。並且，將求得之Fb及Toff與臨限值電壓V作為搜尋關鍵而搜尋輸入電壓計算用資料114，以求得輸入電壓(有效值)。The input voltage calculation unit 133 acquires an input voltage detection signal (step S6). In addition, the obtained input voltage detection signal is stored in the RAM 103 in time series. The input voltage calculation unit 133 obtains an input voltage based on the acquired input voltage signal and the input voltage calculation data 114 (step S7). Specifically, the input voltage calculation unit 133 obtains the pulse waveform period Fb and the OFF time Toff from the accumulated input voltage signals stored in the RAM 103. Then, the obtained Fb and Toff and the threshold voltage V are searched for the input voltage calculation data 114 as the search key to obtain the input voltage (effective value).
輸入電力計算部134係將計算出之輸出電壓與輸出電流與效率η代入式(1)而求得輸入電力(步驟S8)。輸入電流計算部135係將求得之輸入電力與輸入電壓與功率因數Φ 代入式(2)而求得輸入電流(步驟S9)。運算部17係藉由前述步驟而求得之裝置內溫度、裝置周圍溫度、輸入電流、輸入電壓、輸入電力、輸出電流、輸出電壓、效率η及功率因數Φ 向顯示部19輸出，及經由通信介面I/F 18向CPU單元20輸出(步驟S10)，動作即告結束。另外，步驟S1至步驟S10之動作，係以所期望的時間間隔或時序反複執行。輸出至CPU單元20之輸入電流等，係傳送至程式化顯示器3。此外，輸入電流等係經由PLC匯流排40、網路單元30而傳送至PLC 2。The input power calculation unit 134 obtains the input power by substituting the calculated output voltage, the output current, and the efficiency η into the equation (1) (step S8). The input current calculation unit 135 obtains the input current by substituting the obtained input power and the input voltage and the power factor Φ into the equation (2) (step S9). The calculation unit 17 outputs the temperature in the device, the temperature around the device, the input current, the input voltage, the input power, the output current, the output voltage, the efficiency η, and the power factor Φ obtained by the above-described steps to the display unit 19, and via communication. The interface I/F 18 is output to the CPU unit 20 (step S10), and the operation ends. Further, the operations of steps S1 to S10 are repeatedly executed at desired time intervals or timings. The input current or the like output to the CPU unit 20 is transmitted to the stylized display 3. Further, an input current or the like is transmitted to the PLC 2 via the PLC bus 40 and the network unit 30.
另外，步驟S1至步驟S10之處理順序係為一例，處理順序並不限於與此相同之順序。In addition, the processing sequence of step S1 to step S10 is an example, and the processing order is not limited to the same order.
此外，在本發明第一實施形態中，PLC 1係依每個功能而分成電源單元10、CPU單元20、網路單元30、PLC匯流排40來說明；但這些構成要素構成為一體亦可。Further, in the first embodiment of the present invention, the PLC 1 is divided into the power source unit 10, the CPU unit 20, the network unit 30, and the PLC bus bar 40 for each function. However, these components may be integrally formed.
此外，AC輸入偵測電路121，係以輸入電壓波整流成全波整流波之方式來說明，但整流成半波整流波亦可。在該情形下，將式(3)置換成下式(7)、式(4)置換成下式(8)即可。Further, the AC input detecting circuit 121 is described by a method in which an input voltage wave is rectified into a full-wave rectified wave, but it may be rectified into a half-wave rectified wave. In this case, the formula (3) may be replaced by the following formula (7), and the formula (4) may be replaced with the following formula (8).
T=Toff-1/(2×Fb) (7)T=Toff-1/(2×Fb) (7)
F=Fb (8)F=Fb (8)
此外，AC輸入偵測電路121亦可不進行整流而僅進行調整峰值。該情形下，訊號絕緣電路122係僅拾取正極側之訊號，故可使用前述式(7)及式(8)。Further, the AC input detecting circuit 121 may perform only the peak adjustment without rectification. In this case, the signal insulating circuit 122 picks up only the signal on the positive side, so the above equations (7) and (8) can be used.
此外，在轉換效率資料111及功率因數資料112所記述之對應關係中，分別係溫度採用裝置周圍溫度、電流採用輸出電流作為說明；但溫度以採用裝置內溫度之方式亦可。Further, in the correspondence relationship between the conversion efficiency data 111 and the power factor data 112, the temperature is set by the ambient temperature and the current is used as the description, but the temperature may be the same as the temperature inside the device.
如此，依據本發明第一實施形態，由於係採用根據作為環境溫度之裝置周圍溫度或裝置內溫度之測量值、預先記憶於記憶裝置16之記錄有AC/DC轉換器11之轉換效率η與環境溫度之相互對應關係的轉換效率資料111而求得轉換效率η，並使用求得之轉換效率η、測量所得之輸出電壓及輸出電流來計算輸入電力之方式，故得以儘可能精確地測量輸入電力。As described above, according to the first embodiment of the present invention, the conversion efficiency η and the environment in which the AC/DC converter 11 is recorded in advance in the memory device 16 based on the measured value of the ambient temperature of the device or the temperature inside the device as the ambient temperature are used. The conversion efficiency η is obtained by the conversion efficiency data 111 of the mutual relationship of the temperatures, and the obtained conversion power η, the measured output voltage, and the output current are used to calculate the input power, so that the input power can be measured as accurately as possible. .
此外，根據環境溫度之測量值與預先記憶於記憶裝置16之記錄有AC/DC轉換器11之功率因數Φ 與環境溫度之相互對應關係的轉換效率資料111而求得功率因數Φ ，再測量向AC/DC轉換器11輸入之商用電源之輸入電壓，並使用功率因數Φ 、效率η、輸入電壓、輸出電壓、輸出電流來計算輸入電流之方式，故得以儘可能精確地測量輸入電流。Further, the measured value of the ambient temperature and the advance in the recording memory storage device 16 has the AC / DC converter power factor of each [Phi] 11 and the ambient temperature of the conversion efficiency of the correspondence relationship information 111 and the power factor [Phi] is obtained, then the measurement The AC/DC converter 11 inputs the input voltage of the commercial power supply, and uses the power factor Φ , the efficiency η, the input voltage, the output voltage, and the output current to calculate the input current, so that the input current can be measured as accurately as possible.
此外，因設成：於電源單元10內之複數個點具備溫度感測器14，且從由該複數個溫度感測器14所測得之溫度偵測值來計算出環境溫度之方式，故不會受每個組件之溫度偏差及溫度上昇率之偏差的過度影響，而可測量出環境溫度，結果，可更精確地測量輸入電力。In addition, since the temperature sensor 14 is provided at a plurality of points in the power supply unit 10, and the ambient temperature is calculated from the temperature detection values measured by the plurality of temperature sensors 14, The ambient temperature is not measured by the excessive influence of the temperature deviation of each component and the deviation of the temperature rise rate, and as a result, the input power can be measured more accurately.
此外，環境溫度係為由複數個溫度感測器14所測得之溫度偵測值的平均值。In addition, the ambient temperature is an average of the temperature detection values measured by the plurality of temperature sensors 14.
此外環境溫度係為PLC 1周圍溫度之推斷值，且構成：根據預先記憶於記憶裝置16之記錄有溫度偵測值之平均值與PLC 1周圍溫度之相互對應關係的溫度相關資料，而得到環境溫度之測量值之方式，故於事前製作轉換效率資料111之作業變得容易。In addition, the ambient temperature is an inferred value of the temperature around the PLC 1, and is configured to obtain an environment based on temperature-related data recorded in advance in the memory device 16 and having an average relationship between the temperature detection values and the temperature around the PLC 1. Since the measurement of the temperature is performed, the work of producing the conversion efficiency data 111 in advance becomes easy.
此外，轉換效率資料111係記錄有效率η和環境溫度與輸出電流之相互對應關係的資料，而功率因數資料112係記錄有功率因數Φ 和環境溫度與輸出電流之相互對應關係的資料；且設成：根據環境溫度之測量值與輸出電流之測量值與轉換效率資料111來求得轉換效率η，並根據環境溫度之測量值與輸出電流之測量值與功率因數資料112來求得功率因數Φ 之方式，故可將因應效率η、功率因數ψ之輸出電流之變化列入考量而計算出輸入電流、輸入電力，故可更精確地計算出輸入電流、輸入電力。In addition, the conversion efficiency data 111 records data on the relationship between the efficiency η and the ambient temperature and the output current, and the power factor data 112 records the data of the power factor Φ and the relationship between the ambient temperature and the output current; Cheng: Calculate the conversion efficiency η according to the measured value of the ambient temperature and the measured value of the output current and the conversion efficiency data 111, and obtain the power factor Φ according to the measured value of the ambient temperature and the measured value of the output current and the power factor data 112. In this way, the input current and the input power can be calculated by taking into account the change in the output current of the efficiency η and the power factor ,, so that the input current and the input power can be calculated more accurately.
再者，因設成：使用輸入端與輸出端係電性絕緣之訊號絕緣電路，當輸入電壓波中輸入之電壓值為預定臨限值V以上時產生變為導通(ON)的脈波，且根據產生之脈波而計算出輸入電壓之方式，故可在絕緣狀態下簡單地測量輸入電壓。Furthermore, since the signal insulation circuit electrically insulated from the input terminal and the output terminal is used, when the voltage value input to the input voltage wave is equal to or greater than a predetermined threshold value V, a pulse wave that becomes ON is generated. Further, the input voltage is calculated based on the generated pulse wave, so that the input voltage can be simply measured in an insulated state.
再者，因採用復具備顯示並輸出輸入電力或是輸入電流之顯示部19之方式，故使用者可當場確認輸入電力或是輸入電流。Furthermore, since the display unit 19 having the display and outputting the input power or the input current is used, the user can confirm the input power or the input current on the spot.
再者，因採用具備：將輸入電力或是輸入電流連接於PLC 1之作為外部機器之程式化顯示器3、及作為對PLC 2輸出之外部輸出部之CPU單元20、網路單元30及PLC匯流排40之方式的構成，故使用者可在遠端確認輸入電力或是輸入電流。Further, a programmable display 3 including an external device that connects input power or an input current to the PLC 1 and a CPU unit 20, a network unit 30, and a PLC converged as an external output unit for outputting the PLC 2 are used. According to the configuration of the row 40, the user can confirm the input power or the input current at the far end.
在第一實施形態中，PLC 1之安裝方向係為固定者，且如第4-2圖所示，說明了以基板組件面與控制盤呈平行之方式安裝PLC 1之組構。在此PLC 1中，例如以上下相反安裝等，安裝方向與預先設想之方向不相同之情形時，因裝置內之空氣流會改變，各個溫度感測器14所測得之溫度偵測值亦改變。於是，裝置內溫度與意圖值變得不相同，結果，變得無法精確地求得輸入電力等。因此，在第二實施形態中，乃藉由準備按每個安裝方向記述裝置內溫度之計算值與裝置周圍溫度之間關係的溫度相關資料，故不論設置在哪一種安裝方向均可精確地求得輸入電流。In the first embodiment, the mounting direction of the PLC 1 is fixed, and as shown in Fig. 4-2, the configuration in which the PLC 1 is mounted in parallel with the control panel is described. In this PLC 1, for example, when the installation direction is different from the pre-conceived direction, the air flow in the device changes, and the temperature detection value measured by each temperature sensor 14 is also changed. change. Then, the temperature inside the device and the intention value become different, and as a result, it becomes impossible to accurately obtain the input power or the like. Therefore, in the second embodiment, by preparing the temperature-related data relating to the relationship between the calculated value of the temperature inside the device and the temperature around the device for each mounting direction, it is possible to accurately obtain the mounting direction regardless of the mounting direction. Have input current.
因包含於第二實施形態之PLC之電源單元以外的構成要素，係為與第一實施形態相同，故有關電源單元50以外之構成要素，係使用相同名稱及元件符號，且省略重複說明。再者，在第二實施形態電源單元構成要素上，具有與第一實施形態相同之功能者，係使用相同之名稱及元件符號，且省略其詳細說明。The constituent elements other than the power supply unit of the PLC of the second embodiment are the same as those of the first embodiment. Therefore, the same components and the same reference numerals will be given to the components other than the power supply unit 50, and the overlapping description will be omitted. In the second embodiment, the components of the power supply unit having the same functions as those of the first embodiment are denoted by the same names and the reference numerals, and the detailed description thereof will be omitted.
第10圖係為說明第二實施形態之電源單元與第一實施形態不相同之構成之圖。如圖所示，電源單元50係具備：取代記憶裝置16之記憶裝置56、取代運算部17之運算部57。記憶裝置56係預先儲存有：轉換效率資料111、功率因數資料112、按每個預先設想之安裝方向而準備之溫度相關資料143(溫度相關資料143a、143b、………、143n)、輸入電壓計算用資料114。Fig. 10 is a view for explaining the configuration of the power supply unit of the second embodiment which is different from the first embodiment. As shown in the figure, the power supply unit 50 includes a memory device 56 in place of the memory device 16, and a computing unit 57 in place of the computing unit 17. The memory device 56 is preliminarily stored with conversion efficiency data 111, power factor data 112, temperature-related data 143 (temperature-related data 143a, 143b, ..., 143n) prepared for each predetermined mounting direction, and input voltage. Calculation data 114.
運算部57係具備：溫度計算部151、效率-功率因數計算部132、輸入電壓計算部133、輸入電壓計算部134、及輸入電流計算部135。溫度計算部151，在從裝置內溫度計算出裝置周圍溫度時，係從溫度相關資料143a至143n中選擇對應PLC 1安裝方向之溫度相關資料，並使用所選擇之溫度相關資料來計算裝置周圍溫度。另外，安裝方向可以依據使用者之設定來賦予方式；亦可以載設用以偵測該安裝方向之機構，並由該機構來賦予之方式。The calculation unit 57 includes a temperature calculation unit 151, an efficiency-power factor calculation unit 132, an input voltage calculation unit 133, an input voltage calculation unit 134, and an input current calculation unit 135. The temperature calculation unit 151 selects temperature-related data corresponding to the mounting direction of the PLC 1 from the temperature-related data 143a to 143n when calculating the temperature around the device from the in-device thermometer, and calculates the temperature around the device using the selected temperature-related data. In addition, the installation direction may be given according to the setting of the user; or the mechanism for detecting the installation direction may be provided and given by the mechanism.
第二實施形態之電源單元50之動作，係只在第一實施形態中說明之步驟S3處理中增加選擇溫度相關資料之動作，而其他則為相同，故在此省略說明。The operation of the power supply unit 50 of the second embodiment is merely an operation of adding the temperature-related data in the process of the step S3 described in the first embodiment, and the other operations are the same, and thus the description thereof will be omitted.
如此，依據本發明第二實施形態，係於記憶裝置56預先記憶按自身PLC 1每個設置方向而製作之複數個溫度相關資料143，將該複數個溫度相關資料中要使用之溫度相關資料因應自身PLC 1之設置方向而變更之方式，故即使PLC 1之設置方向改變，亦可精確地計算出輸入電力等。As described above, according to the second embodiment of the present invention, the memory device 56 pre-stores a plurality of temperature-related data 143 prepared for each setting direction of the PLC 1 , and the temperature-related data to be used in the plurality of temperature-related data is adapted. Since the setting direction of the own PLC 1 is changed, even if the setting direction of the PLC 1 is changed, the input power and the like can be accurately calculated.
轉換效率資料111係具有記述有效率η與裝置周圍溫度的相互對應關係之表格構成。該相互對應關係一般而言係記述於每個預定的單位寬度。單位寬度愈精密，則愈精確地表現效率η與裝置周圍溫度的對應關係。此外，依據溫度相關資料113，裝置周圍溫度係與裝置內溫度(溫度感測器14之偵測值的平均溫度)為一對一的相互對應關係。另一方面，組件的溫度依存性大小與組件之對效率η造成影響的大小之間係為具有正相關。此外，溫度依存性大的組件容易發熱；愈鄰近該組件溫度愈容易上升。因此，在第三實施形態中，演算部係使溫度感測器14依據鄰近的組件對於效率η影響愈大的偵測值的變化能夠愈大地反映在所計算出作為裝置內溫度的值，來當做裝置內溫度的溫度感測器14之偵測值的加權平均。藉此，演算部對於對效率η造成之影響愈大的組件附近之溫度偵測值，能以小的單位寬度來計算出效率η；而對於對效率η造成之影響愈小的組件附近之溫度偵測值，能以大的單位寬度來計算出效率η。結果，演算部形成相較於將均等地配置在電源單元內之溫度感測器14的單純平均予以當做裝置內溫度之情形，可更精確地求得輸入電力。The conversion efficiency data 111 has a table configuration in which the relationship between the efficiency η and the temperature around the device is described. The mutual correspondence is generally described in each predetermined unit width. The more precise the unit width, the more accurately the relationship between the efficiency η and the temperature around the device is expressed. Further, according to the temperature-related data 113, the temperature around the device and the temperature inside the device (the average temperature of the detected values of the temperature sensor 14) are one-to-one correspondence. On the other hand, there is a positive correlation between the temperature dependence of the component and the size of the component that affects the efficiency η. In addition, components with high temperature dependence are prone to heat; the temperature is closer to the component and the temperature rises. Therefore, in the third embodiment, the calculation unit can more accurately reflect the change in the detected value of the temperature sensor 14 according to the influence of the adjacent components on the efficiency η on the calculated value as the temperature inside the device. As a weighted average of the detected values of the temperature sensor 14 of the temperature inside the device. Thereby, the calculation unit can calculate the efficiency η with a small unit width for the temperature detection value near the component having a greater influence on the efficiency η; and the temperature near the component having a smaller influence on the efficiency η The detected value can calculate the efficiency η with a large unit width. As a result, the calculation unit can more accurately determine the input power as compared with the case where the simple average of the temperature sensors 14 that are evenly disposed in the power supply unit is taken as the temperature inside the device.
因包含於第三實施形態之PLC之電源單元以外的構成要素，係為與第一實施形態相同，故有關電源單元以外之構成要素，係使用相同名稱及元件符號，且省略重複說明。再者，在第三實施形態電源單元構成要素上，具有與第一實施形態相同之功能者，係使用相同之名稱及元件符號，且省略其詳細說明。The constituent elements other than the power supply unit of the PLC according to the third embodiment are the same as those of the first embodiment. Therefore, the same components and the same reference numerals will be given to the components other than the power supply unit, and the overlapping description will be omitted. In the third embodiment, the components of the power supply unit having the same functions as those of the first embodiment are denoted by the same names and the same reference numerals, and the detailed description thereof will be omitted.
第11圖係為說明第三實施形態之電源單元與第一實施形態不相同之構成之圖。如圖所示，電源單元60係具備：取代記憶裝置16之記憶裝置66、取代運算部17之運算部67。記憶裝置66係預先儲存有：轉換效率資料111、功率因數資料112、溫度相關資料113、輸入電壓計算用資料114、以及係數資料615。Fig. 11 is a view for explaining a configuration in which the power supply unit of the third embodiment is different from the first embodiment. As shown in the figure, the power supply unit 60 includes a memory device 66 in place of the memory device 16, and a computing unit 67 in place of the computing unit 17. The memory device 66 stores in advance conversion efficiency data 111, power factor data 112, temperature-related data 113, input voltage calculation data 114, and coefficient data 615.
係數資料615係為記述有分別將第4-1圖所示9個溫度感測器14與加權係數予以建立對應關聯的資料。在係數資料615中，鄰近的組件對效率η造成的影響愈大之溫度感測器14，就與愈大加權係數值建立對應關連。所謂對於效率η的影響較其他組件為大的組件，係例如有FET、變壓器、分流電阻、以及二極體。在該等中，以FET及變壓器較於分流電阻或二極體對效率η造成的影響還大。亦即，加權係數的大小係成為：(FET、鄰近變壓器的溫度感測器14)＞(分流電阻、鄰近二極體的溫度感測器14)＞(其他的溫度感測器14)。The coefficient data 615 is a data in which the nine temperature sensors 14 shown in Fig. 4-1 are associated with the weighting coefficients, respectively. In the coefficient data 615, the temperature sensor 14 having an influence on the efficiency η of the adjacent components is associated with the larger weighting coefficient value. The components that are more important for the efficiency η than the other components are, for example, FETs, transformers, shunt resistors, and diodes. In these cases, the influence of the FET and the transformer on the efficiency η is greater than that of the shunt resistor or the diode. That is, the magnitude of the weighting coefficient is: (FET, temperature sensor 14 adjacent to the transformer) > (shunt resistor, temperature sensor 14 adjacent to the diode) > (other temperature sensor 14).
運算部67係具備：溫度計算部631、效率-功率因數計算部132、輸入電壓計算部133、輸入電壓計算部134、及輸入電流計算部135。The calculation unit 67 includes a temperature calculation unit 631, an efficiency-power factor calculation unit 132, an input voltage calculation unit 133, an input voltage calculation unit 134, and an input current calculation unit 135.
溫度計算部631係使用係數資料615來計算出9個溫度感測器14之偵測值的加權平均，且將計算出的加權平均予以當做裝置內溫度。然後，參照溫度相關資料113，來計算出對應前述求得的裝置內溫度的裝置周圍溫度。The temperature calculation unit 631 calculates the weighted average of the detected values of the nine temperature sensors 14 using the coefficient data 615, and uses the calculated weighted average as the temperature inside the device. Then, referring to the temperature-related data 113, the ambient temperature of the device corresponding to the above-mentioned determined internal temperature of the device is calculated.
第三實施形態的電源單元60的動作，由於只有在第一實施形態中已說明的步驟S2的處理中，溫度計算部631採用記述於係數資料615的每個溫度感測器14的加權係數來計算出加權平均為不同，其他則為相同，故在此省略說明。In the operation of the power supply unit 60 of the third embodiment, only the processing of step S2 described in the first embodiment, the temperature calculation unit 631 uses the weighting coefficient of each temperature sensor 14 described in the coefficient data 615. The weighted average is calculated to be different, and the others are the same, and thus the description is omitted here.
如此，根據本發明之第三實施形態，溫度計算部631以對效率η造成影響愈大的組件附近的溫度測定值愈使加權係數為大之方式，來計算溫度感測器14之偵測值的加權平均，且將算出值予以當做裝置內的溫度，由於有如上述之構成，所以運算部67可以對於對效率η造成影響大的組件附近的溫度偵測值以小的單位寬度來計算效率η；而對於對效率η造成影響小的組件附近的溫度偵測值以大的單位寬度來計算效率η。結果，運算部67形成相較於將均等地配置在電源單元內之溫度感測器14的單純平均予以當做裝置內溫度之情形，可更精確地求得輸入電力。As described above, according to the third embodiment of the present invention, the temperature calculating unit 631 calculates the detected value of the temperature sensor 14 so that the weighting coefficient is made larger as the temperature measurement value in the vicinity of the component having a greater influence on the efficiency η is made larger. Since the calculated value is used as the temperature in the device, the calculation unit 67 can calculate the efficiency η with a small unit width for the temperature detection value in the vicinity of the component having a large influence on the efficiency η. And the temperature detection value near the component having a small influence on the efficiency η is calculated as the efficiency η with a large unit width. As a result, the calculation unit 67 can form the input electric power more accurately than the simple average of the temperature sensors 14 that are evenly disposed in the power supply unit as the temperature inside the device.
另外，與效率η的情形同樣地，組件的溫度依存性大小與組件對功率因數Φ 造成影響的大小之間亦為具有正相關。因此，溫度計算部631，藉由將溫度感測器14之偵測值的加權平均予以當做裝置內溫度，對於對功率因數Φ 造成影響大的組件附件的溫度偵測值以小的單位寬度來計算功率因數Φ ；而對於對功率因數Φ 造成影響小的組件附近的溫度偵測值以大的單位寬度來計算功率因數Φ 。In addition, as in the case of the efficiency η, there is also a positive correlation between the temperature dependence of the component and the magnitude of the component's influence on the power factor Φ . Therefore, the temperature calculation unit 631 uses the weighted average of the detected values of the temperature sensor 14 as the temperature inside the device, and the temperature detection value of the component accessory having a large influence on the power factor Φ is a small unit width. The power factor Φ is calculated; and the power factor Φ is calculated in a large unit width for the temperature detection value near the component having a small influence on the power factor Φ .
在第三實施形態中，運算部67藉由採用將各個溫度感測器14值之偵測值的加權平均予以當做裝置內溫度，而使輸入電力的計算精密度提升，但藉由對溫度感測器14的配設位置下工夫，亦可得到與第三實施形態同樣的效果。第四實施形態之PLC的構成，由於除了溫度感測器14的配設位置之外為與第一實施形態相等，所以僅就溫度感測器的配設位置進行說明而省略重複說明。In the third embodiment, the calculation unit 67 increases the calculation precision of the input power by using the weighted average of the detected values of the respective temperature sensors 14 as the temperature inside the device, but by the sense of temperature The same effect as in the third embodiment can be obtained by the arrangement of the detector 14. The configuration of the PLC of the fourth embodiment is the same as that of the first embodiment except for the arrangement position of the temperature sensor 14. Therefore, only the arrangement position of the temperature sensor will be described, and the overlapping description will be omitted.
第12-1圖及第12-2圖係皆為說明第四實施形態之溫度感測器14的配置例之圖。第12-1圖係為由上面觀察電源單元10內的基板組件面之圖。如圖所示，在集中地配置對效率η影響大的變壓器、FET、分流電阻、二極體的部分，集中地配設溫度感測器14(溫度感測器設置位置14a)，在其他部位則空開較溫度感測器設置位置14a還大的間隔來配設溫度感測器14(溫度感測器設置位置14b)。第12-2圖係為電源單元10的內部斜視圖。在第12-2圖中，為求簡示，將FET、分流電阻、及二極體的描繪予以省略。如第12-1圖及第12-2圖所示，溫度感測器設置位置14a的密度形成為溫度感測器設置位置14b的兩倍密度。Figs. 12-1 and 12-2 are diagrams for explaining an arrangement example of the temperature sensor 14 of the fourth embodiment. Fig. 12-1 is a view of the surface of the substrate assembly in the power supply unit 10 as viewed from above. As shown in the figure, the temperature sensor 14 (temperature sensor setting position 14a) is collectively disposed in a portion where the transformer, the FET, the shunt resistor, and the diode having a large influence on the efficiency η are disposed in a concentrated manner, and other portions are disposed. Then, the temperature sensor 14 (temperature sensor setting position 14b) is disposed at an interval larger than the temperature sensor setting position 14a. Fig. 12-2 is an internal perspective view of the power supply unit 10. In Fig. 12-2, the drawing of the FET, the shunt resistor, and the diode is omitted for the sake of simplicity. As shown in FIGS. 12-1 and 12-2, the density of the temperature sensor setting position 14a is formed to be twice the density of the temperature sensor setting position 14b.
溫度計算部131，係藉由將溫度感測器設置位置14a、14b中的溫度感測器14之偵測值予以單純平均而計算出裝置內溫度。因為在對效率η造成影響愈大的組件附近配設有較多的溫度感測器14，所以溫度計算部131藉由將諸該溫度感測器設置位置14a、14b中的溫度感測器14之偵測值的單純平均予以計算出，即可獲得與將均等地配置在電源單元內的溫渡感測器14之偵測值的加權平均予以計算出之情形相同的值。亦即，運算部17可以對於對效率η造成影響大的組件附近的溫度偵測值以小的單位寬度來計算效率η；而對於對效率η造成影響小的組件附近的溫度偵測值以相對較大的單位寬度來計算效率η。The temperature calculating unit 131 calculates the temperature in the apparatus by simply averaging the detected values of the temperature sensors 14 in the temperature sensor setting positions 14a and 14b. Since more temperature sensors 14 are disposed in the vicinity of the components having a greater influence on the efficiency η, the temperature calculating portion 131 sets the temperature sensors 14 in the positions 14a, 14b by the temperature sensors. The simple average of the detected values is calculated, and the same value as that obtained by calculating the weighted average of the detected values of the temperature-sensing sensors 14 that are equally disposed in the power supply unit can be obtained. That is, the arithmetic unit 17 can calculate the efficiency η with a small unit width for the temperature detection value in the vicinity of the component having a large influence on the efficiency η; and the temperature detection value near the component having a small influence on the efficiency η is relatively The larger unit width is used to calculate the efficiency η.
如此，根據本發明之第四實施形態，由於在對效率η造成影響愈大的組件附近配設有較多的溫度感測器14，所以與第三實施形態同樣地，運算部17形成相較於將均等地配置在電源單元內之溫度感測器14的單純平均予以當做裝置內溫度之情形，可更精確地求得輸入電力。According to the fourth embodiment of the present invention, since a large number of temperature sensors 14 are disposed in the vicinity of the component having a greater influence on the efficiency η, the calculation unit 17 is formed in the same manner as in the third embodiment. The input power can be more accurately determined by simply averaging the temperature sensors 14 that are equally disposed in the power supply unit as the temperature inside the device.
另外，在第1至第4實施形態的說明中，雖然說明針對將本發明之實施形態的控制器予以應用於PLC之情形，但能夠應用本發明實施形態之控制器的控制器而言並不僅限定於PLC。例如，可應用於換流器及伺服放大器等具備有AC/DC換換器的控制器，該換流器係用以將一旦從交流商用電源產生直流電源，再從產生的直流電源產生期望的交流電源；而該伺服放大器係用以從商用電源來產生直流電源，使用產生的直流電源來進行驅動馬達。此外，應用本發明之實施形態的電源裝置亦可構成為不可從控制器分離者。Further, in the description of the first to fourth embodiments, the case where the controller according to the embodiment of the present invention is applied to the PLC is described. However, the controller of the controller to which the embodiment of the present invention can be applied is not only Limited to PLC. For example, it can be applied to a controller having an AC/DC converter such as an inverter and a servo amplifier, and the converter is used to generate a DC power source from an AC commercial power source, and then generate a desired DC power source. The AC power source is used to generate a DC power source from a commercial power source, and the generated DC power source is used to drive the motor. Further, the power supply device to which the embodiment of the present invention is applied may be configured to be disconnected from the controller.
綜上所述，本發明電源裝置及控制器，係極適合用於具有AC/DC轉換器的電源裝置及具有AC/DC轉換器的控制器。In summary, the power supply device and controller of the present invention are extremely suitable for a power supply device having an AC/DC converter and a controller having an AC/DC converter.
1、2．．．PLC1, 2. . . PLC
3．．．程式化顯示器3. . . Stylized display
10、50、60．．．電源單元10, 50, 60. . . Power unit
11．．．AC/DC轉換器11. . . AC/DC converter
12．．．輸出電壓測量部12. . . Output voltage measurement unit
13．．．負載電流測量部13. . . Load current measurement unit
14．．．溫度感測器14. . . Temperature sensor
14a、14b．．．溫度感測器設置位置14a, 14b. . . Temperature sensor setting position
15．．．輸入電壓偵測訊號產生部15. . . Input voltage detection signal generating unit
16、56、66．．．記憶裝置16, 56, 66. . . Memory device
17、57、67．．．運算部17, 57, 67. . . Computing department
18．．．通信介面(I/F)18. . . Communication interface (I/F)
19．．．顯示部19. . . Display department
20．．．CPU單元20. . . CPU unit
30．．．網路單元30. . . Network unit
40．．．PLC匯流排40. . . PLC bus
101．．．CPU101. . . CPU
102．．．ROM102. . . ROM
103．．．RAM103. . . RAM
104．．．AD轉換電路104. . . AD conversion circuit
105．．．I/O埠105. . . I/O埠
106．．．電力監視程式106. . . Power monitoring program
111．．．轉換效率資料111. . . Conversion efficiency data
112．．．功率因數資料112. . . Power factor data
113、143、143a至143n．．．溫度相關資料113, 143, 143a to 143n. . . Temperature related data
114．．．輸入電壓計算用資料114. . . Input voltage calculation data
121．．．AC輸入偵測電路121. . . AC input detection circuit
122．．．信號絕緣電路122. . . Signal insulation circuit
131、151、631．．．溫度計算部131, 151, 631. . . Temperature calculation department
132．．．效率-功率因數計算部132. . . Efficiency-power factor calculation unit
133．．．輸入電壓計算部133. . . Input voltage calculation unit
134．．．輸入電力計算部134. . . Input power calculation unit
135．．．輸入電流計算部135. . . Input current calculation unit
615．．．係數資料615. . . Coefficient data
第1圖係為顯示第一實施形態之PLC構成例之圖。Fig. 1 is a view showing a configuration example of a PLC of the first embodiment.
第2圖係為說明效率η的溫度依存性之一例之圖。Fig. 2 is a view showing an example of the temperature dependence of the efficiency η.
第3圖係為說明功率因數Φ 的溫度依存性之一例之圖。Fig. 3 is a view showing an example of the temperature dependence of the power factor Φ .
第4-1圖係為說明第一實施形態的溫度感測器配置例之圖。Fig. 4-1 is a view for explaining an example of the arrangement of the temperature sensor of the first embodiment.
第4-2圖係為說明第一實施形態的溫度感測器配置例之圖。Fig. 4-2 is a view for explaining an example of the arrangement of the temperature sensor of the first embodiment.
第5圖係為說明輸入電壓偵測訊號產生部之詳細構成之圖。Fig. 5 is a view for explaining the detailed configuration of the input voltage detecting signal generating portion.
第6圖係為說明輸入電壓波、全波整流波、及輸入電壓偵測訊號之波形之圖。Figure 6 is a diagram illustrating the waveforms of the input voltage wave, the full-wave rectified wave, and the input voltage detection signal.
第7圖係為表示輸入電壓計算用資料之資料構造例之圖。Fig. 7 is a view showing a data structure example of data for input voltage calculation.
第8圖係為說明第一實施形態的運算部之功能部之圖。Fig. 8 is a view for explaining a functional portion of a computing unit according to the first embodiment.
第9圖係為說明第一實施形態的電源單元計算輸入電流等之動作之圖。Fig. 9 is a view for explaining the operation of calculating the input current and the like by the power supply unit of the first embodiment.
第10圖係為說明第二實施形態電源單元與第一實施形態之不相同構成之圖。Fig. 10 is a view for explaining a configuration in which the power supply unit of the second embodiment is different from that of the first embodiment.
第11圖係為說明第三實施形態電源單元與第一實施形態之不相同構成之圖。Fig. 11 is a view for explaining a configuration in which the power supply unit of the third embodiment is different from that of the first embodiment.
第12-1圖係為說明第四實施形態的溫度感測器配置例之圖。Fig. 12-1 is a view for explaining an example of the arrangement of the temperature sensor of the fourth embodiment.
第12-2圖係為說明第四實施形態的溫度感測器配置例之圖。Fig. 12-2 is a view for explaining an example of the arrangement of the temperature sensor of the fourth embodiment.
1、2．．．PLC1, 2. . . PLC
3．．．程式化顯示器3. . . Stylized display
10．．．電源單元10. . . Power unit
11．．．AC/DC轉換器11. . . AC/DC converter
12．．．輸出電壓測量部12. . . Output voltage measurement unit
13．．．負載電流測量部13. . . Load current measurement unit
14．．．溫度感測器14. . . Temperature sensor
15．．．輸入電壓偵測訊號產生部15. . . Input voltage detection signal generating unit
16．．．記憶裝置16. . . Memory device
17．．．運算部17. . . Computing department
18．．．通信介面(I/F)18. . . Communication interface (I/F)
19．．．顯示部19. . . Display department
20．．．CPU單元20. . . CPU unit
30．．．網路單元30. . . Network unit
40．．．PLC匯流排40. . . PLC bus
101．．．CPU101. . . CPU
102．．．ROM102. . . ROM
103．．．RAM103. . . RAM
104．．．AD轉換電路104. . . AD conversion circuit
105．．．I/O埠105. . . I/O埠
106．．．電力監視程式106. . . Power monitoring program
111．．．轉換效率資料111. . . Conversion efficiency data
112．．．功率因數資料112. . . Power factor data
113．．．溫度相關資料113. . . Temperature related data
114．．．輸入電壓計算用資料114. . . Input voltage calculation data
Claims (18)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2010/069522 WO2012059983A1 (en) | 2010-11-02 | 2010-11-02 | Power source device and programmable controller |
| PCT/JP2011/073843 WO2012060207A1 (en) | 2010-11-02 | 2011-10-17 | Power source device and programmable controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201243347A TW201243347A (en) | 2012-11-01 |
| TWI417554B true TWI417554B (en) | 2013-12-01 |
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| TW100117731A TW201224688A (en) | 2010-11-02 | 2011-05-20 | Power supply device and programmable controller |
| TW100139296A TWI417554B (en) | 2010-11-02 | 2011-10-28 | Power supply device and programmable controller |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW100117731A TW201224688A (en) | 2010-11-02 | 2011-05-20 | Power supply device and programmable controller |
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| Country | Link |
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| US (1) | US8804387B2 (en) |
| KR (1) | KR101349581B1 (en) |
| CN (1) | CN102782512B (en) |
| DE (1) | DE112011103635B4 (en) |
| TW (2) | TW201224688A (en) |
| WO (2) | WO2012059983A1 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| DE112011103635B4 (en) | 2017-10-19 |
| TW201243347A (en) | 2012-11-01 |
| WO2012060207A1 (en) | 2012-05-10 |
| CN102782512B (en) | 2015-08-05 |
| WO2012059983A1 (en) | 2012-05-10 |
| KR20120101577A (en) | 2012-09-13 |
| US20120281433A1 (en) | 2012-11-08 |
| TW201224688A (en) | 2012-06-16 |
| DE112011103635T5 (en) | 2013-08-01 |
| CN102782512A (en) | 2012-11-14 |
| KR101349581B1 (en) | 2014-01-09 |
| US8804387B2 (en) | 2014-08-12 |
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